1、.完成句子1此后再没有收到他的消息，于是我们开始怀疑他是不是死了。Since then nothing more was heard from him to wonder if he was dead.答案：so that we began2他通常花半个小时的时间完成家庭作业。He usually his homework.答案：spends half an hour finishingIt usually takes him half an hour .答案：to finish his homework3当过马路时，要当心车。Look out for cars the road.答案：whi
2、le crossing4我跑得太快，结果导致腹侧疼痛。I ran I got a pain in my side.答案：so fast that.单项填空1Id like to arrive 20 minutes earlier _ I can have enough time for the preparations.Aas soon asBeven thoughCin case Dso that解析：句意：我想提前20分钟到，以便我有充分的时间准备。so that引导目的状语从句，符合题意。as soon as “一就”；even though“即使”；in case“以防，万一”。答案：
3、D2When _， the museum will be open to the public next year.Acompleted BcompletingCbeing completed Dto be completed解析：句意：竣工后，博物馆将于明年对公众开放。when completed为状语从句的省略，完整形式为when it is completed。答案：A3We should _ the money on something that will benefit everyone.AwasteBtakeCcost Dspend解析：句意：我们应该把钱花在对每一个人都有益的事情上。waste 意为“浪费”，用于结构waste time in doing sth.；take 意为“需要；耗费”，用于结构“It takes sb.some time/some money to do something.”；cost意为“花费”，用于结构sth.costs sb.sth.“某物花费某人”。spend 意为“花费”，用于结构sb.spends some money on sth.“某人花费钱购买某物”。结合句意及用法，应选D。答案：D
